juplo.de Git - demos/testing/blob - src/test/java/de/juplo/demo/HtmlControllerTest.java

   1 package de.juplo.demo;
   2
   3
   4 import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
   5 import org.junit.jupiter.api.BeforeEach;
   6 import org.junit.jupiter.api.DisplayName;
   7 import org.junit.jupiter.api.Test;
   8 import org.junit.jupiter.api.extension.ExtendWith;
   9 import org.mockito.ArgumentCaptor;
  10 import static org.mockito.ArgumentMatchers.eq;
  11 import static org.mockito.Mockito.verify;
  12 import static org.mockito.Mockito.when;
  13 import org.springframework.boot.test.mock.mockito.MockBean;
  14 import org.springframework.test.context.junit.jupiter.SpringExtension;
  15 import org.springframework.ui.Model;
  16 import reactor.core.publisher.Mono;
  17 import reactor.test.StepVerifier;
  18
  19
  20 /**
  21  * Unit-Test for class {@link RemoteContentHtmlController}.
  22  * @author Kai Moritz
  23  */
  24 @ExtendWith(SpringExtension.class)
  25 public class HtmlControllerTest
  26 {
  27   HtmlController controller;
  28
  29   @MockBean
  30   RemoteContentService service;
  31   @MockBean
  32   Model model;
  33
  34
  35   @BeforeEach
  36   void setUp()
  37   {
  38     controller = new HtmlController(service);
  39   }
  40
  41
  42   @Test
  43   @DisplayName("Data successfully fetched from remote-server")
  44   void testOK()
  45   {
  46     when(service.getRemoteText("foo")).thenReturn(Mono.just("bar"));
  47
  48     String result = controller.fetch(model, "foo");
  49
  50     assertThat(result).isEqualTo("layout");
  51     ArgumentCaptor<Mono<String>> captor = ArgumentCaptor.forClass(Mono.class);
  52     verify(model).addAttribute(eq("text"), captor.capture());
  53     StepVerifier
  54         .create(captor.getValue())
  55         .expectNext("bar")
  56         .expectComplete()
  57         .verify();
  58   }
  59 }